two poles of height 52 feet and 59 feet are 24 feet apart. find the distance between their tops.
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The difference of their height is 7 ft., and the length of the bottom between the poles is 24 ft., so you are really looking for the diagonal of a triangle with side lengths 24 and 7. Using the Pythagorean theory, 7^2 + 24^2 = x^2.
Simplify:
49 + 576 = x^2
625 = x^2
square root(625) = square root(x^2)
Square root(625) = x
25 = x
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